Replace string16 with base::string16 in src/webkit

webkit/dom_storage/dom_storage_area.cc

Index: webkit/dom_storage/dom_storage_area.cc
diff --git a/webkit/dom_storage/dom_storage_area.cc b/webkit/dom_storage/dom_storage_area.cc
index 3700238d06c64e1e295655eedb19c78058ecfa8e..08bb6bff3de610de2311443c86aea0d1fbbfccb9 100644
--- a/webkit/dom_storage/dom_storage_area.cc
+++ b/webkit/dom_storage/dom_storage_area.cc
@@ -118,15 +118,15 @@ NullableString16 DomStorageArea::Key(unsigned index) {
   return map_->Key(index);
 }
 
-NullableString16 DomStorageArea::GetItem(const string16& key) {
+NullableString16 DomStorageArea::GetItem(const base::string16& key) {
   if (is_shutdown_)
     return NullableString16(true);
   InitialImportIfNeeded();
   return map_->GetItem(key);
 }
 
-bool DomStorageArea::SetItem(const string16& key,
-                             const string16& value,
+bool DomStorageArea::SetItem(const base::string16& key,
+                             const base::string16& value,
                              NullableString16* old_value) {
   if (is_shutdown_)
     return false;
@@ -141,7 +141,8 @@ bool DomStorageArea::SetItem(const string16& key,
   return success;
 }
 
-bool DomStorageArea::RemoveItem(const string16& key, string16* old_value) {
+bool DomStorageArea::RemoveItem(const base::string16& key,
+                                base::string16* old_value) {
   if (is_shutdown_)
     return false;
   InitialImportIfNeeded();